#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main() {
    char ch;
    char arr[] = "AaEeIiOoUu";
    while (~scanf("%c\n", &ch))
    {
        int i = 0;
        for (i = 0; i < 10; i++)
        {
            if (arr[i] == ch)
            {
                printf("Vowel\n");
                break;
            }
        }
        if (i == 10)
            printf("Consonant\n");
    }
    return 0;
}